By popular demand, here is a summary comparing systemtap and similar systems. Corrections and improvements are welcome.

Individual characteristics are listed vertically, with the two tools' support for each listed alongside. While the tools are similar, key differentiators are highlighted in italics. In some cases, terms such as "soon" and "not yet" are used to indicate that the given feature has been planned or scheduled, however one should not infer any immediacy regarding the availability of that feature.